Heading 8421 · Centrifuges, including centrifugal dryers; filtering or purifying machinery and…

8421.91

Of centrifuges, including centrifugal dryers:

Calculate duties for this code

Mentioned in Chapter 99

The parts of Chapter 99, in the 2026 HTS Revision 22, that list HTS 8421.91, a broader code that includes it, or a narrower code within it.

U.S. noteExcerptHeadings that refer to it
U.S. note 20(b)(b) Heading 9903.88.01 applies to all products of China that are classified in the following 8-digit subheadings, except products of China granted an exclusion by the U.S. Trade Representative and provided for in: (1) heading 9903.88.05…9903.88.01
U.S. note 20(s)(i)(i) all products of China that are classified in the following 8-digit subheadings: [ Compiler's note: numbers in this table read from left to right]9903.88.15

Being listed is not owing a duty. A note may list goods that a measure leaves out; whether a heading applies depends on the origin, the date and the product; and the measures on all the goods of a country list no code at all. The calculator says what applies.

In the tariff

  1. 8421Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases; parts thereof
  2. Parts
  3. 8421.91Of centrifuges, including centrifugal dryers
  4. 8421.91.20.00Drying chambers for the clothes-dryers of subheading 8421.12 and other parts of clothes-dryers incorporating drying chambersFree
  5. 8421.91.40.00Furniture designed to receive the clothes-dryers of subheading 8421.12Free
  6. 8421.91.60.00OtherFree